256478376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:117

約数の個数: 256

約数和(自身を含む): 854507520

約数和(自身を除く): 598029144

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 37, 42, 44, 56, 62, 66, 74, 77, 84, 88, 93, 111, 121, 124, 132, 148, 154, 168, 186, 217, 222, 231, 242, 248, 259, 264, 296, 308, 341, 363, 372, 407, 434, 444, 462, 484, 518, 616, 651, 682, 726, 744, 777, 814, 847, 868, 888, 924, 968, 1023, 1036, 1147, 1221, 1302, 1331, 1364, 1452, 1554, 1628, 1694, 1736, 1848, 2046, 2072, 2294, 2387, 2442, 2541, 2604, 2662, 2728, 2849, 2904, 3108, 3256, 3388, 3441, 3751, 3993, 4092, 4477, 4588, 4774, 4884, 5082, 5208, 5324, 5698, 6216, 6776, 6882, 7161, 7502, 7986, 8029, 8184, 8547, 8954, 9176, 9317, 9548, 9768, 10164, 10648, 11253, 11396, 12617, 13431, 13764, 14322, 15004, 15972, 16058, 17094, 17908, 18634, 19096, 20328, 22506, 22792, 24087, 25234, 26257, 26862, 27528, 27951, 28644, 30008, 31339, 31944, 32116, 34188, 35816, 37268, 37851, 41261, 45012, 48174, 49247, 50468, 52514, 53724, 55902, 57288, 62678, 64232, 68376, 74536, 75702, 78771, 82522, 88319, 90024, 94017, 96348, 98494, 100936, 105028, 107448, 111804, 123783, 125356, 138787, 147741, 151404, 157542, 165044, 176638, 188034, 192696, 196988, 210056, 223608, 247566, 250712, 264957, 277574, 288827, 295482, 302808, 315084, 330088, 344729, 353276, 376068, 393976, 416361, 495132, 529914, 555148, 577654, 590964, 630168, 689458, 706552, 752136, 832722, 866481, 971509, 990264, 1034187, 1059828, 1110296, 1155308, 1181928, 1378916, 1526657, 1665444, 1732962, 1943018, 2068374, 2119656, 2310616, 2757832, 2914527, 3053314, 3330888, 3465924, 3886036, 4136748, 4579971, 5829054, 6106628, 6931848, 7772072, 8273496, 9159942, 10686599, 11658108, 12213256, 18319884, 21373198, 23316216, 32059797, 36639768, 42746396, 64119594, 85492792, 128239188, 256478376]

約数ペア:

[(1, 256478376), (2, 128239188), (3, 85492792), (4, 64119594), (6, 42746396), (7, 36639768), (8, 32059797), (11, 23316216), (12, 21373198), (14, 18319884), (21, 12213256), (22, 11658108), (24, 10686599), (28, 9159942), (31, 8273496), (33, 7772072), (37, 6931848), (42, 6106628), (44, 5829054), (56, 4579971), (62, 4136748), (66, 3886036), (74, 3465924), (77, 3330888), (84, 3053314), (88, 2914527), (93, 2757832), (111, 2310616), (121, 2119656), (124, 2068374), (132, 1943018), (148, 1732962), (154, 1665444), (168, 1526657), (186, 1378916), (217, 1181928), (222, 1155308), (231, 1110296), (242, 1059828), (248, 1034187), (259, 990264), (264, 971509), (296, 866481), (308, 832722), (341, 752136), (363, 706552), (372, 689458), (407, 630168), (434, 590964), (444, 577654), (462, 555148), (484, 529914), (518, 495132), (616, 416361), (651, 393976), (682, 376068), (726, 353276), (744, 344729), (777, 330088), (814, 315084), (847, 302808), (868, 295482), (888, 288827), (924, 277574), (968, 264957), (1023, 250712), (1036, 247566), (1147, 223608), (1221, 210056), (1302, 196988), (1331, 192696), (1364, 188034), (1452, 176638), (1554, 165044), (1628, 157542), (1694, 151404), (1736, 147741), (1848, 138787), (2046, 125356), (2072, 123783), (2294, 111804), (2387, 107448), (2442, 105028), (2541, 100936), (2604, 98494), (2662, 96348), (2728, 94017), (2849, 90024), (2904, 88319), (3108, 82522), (3256, 78771), (3388, 75702), (3441, 74536), (3751, 68376), (3993, 64232), (4092, 62678), (4477, 57288), (4588, 55902), (4774, 53724), (4884, 52514), (5082, 50468), (5208, 49247), (5324, 48174), (5698, 45012), (6216, 41261), (6776, 37851), (6882, 37268), (7161, 35816), (7502, 34188), (7986, 32116), (8029, 31944), (8184, 31339), (8547, 30008), (8954, 28644), (9176, 27951), (9317, 27528), (9548, 26862), (9768, 26257), (10164, 25234), (10648, 24087), (11253, 22792), (11396, 22506), (12617, 20328), (13431, 19096), (13764, 18634), (14322, 17908), (15004, 17094), (15972, 16058)]